Consider a current carrying coil placed in a magnetic field. What are the requirements for induced current to flow as per electromagnetic induction.
A
Coil of wire carrying current
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B
Change in magnetic field associated with the coil
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C
Both A and B
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D
None
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Solution
The correct option is B Change in magnetic field associated with the coil When magnetic flux through a coil changes, emf is induced in it. Current carrying coil is not required for above.